Gurobi 5.0.1 (linux64) logging started Fri Nov 16 17:58:58 2012 Optimize a model with 7193 rows, 11990 columns and 33025 nonzeros Presolve removed 31 rows and 3163 columns Presolve time: 0.13s Presolved: 7162 rows, 8827 columns, 29732 nonzeros Variable types: 0 continuous, 8827 integer (8827 binary) Found heuristic solution: objective 109.0000000 Found heuristic solution: objective 2.0000000 Root relaxation: cutoff, 0 iterations, 0.00 seconds Explored 0 nodes (0 simplex iterations) in 0.15 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.000000000000e+00, best bound 2.000000000000e+00, gap 0.0%